*{
    margin:0;
    border:0;
}

body{
    display: flex;
    flex-direction: column;
    
}

.header .logo{
    background: url(../assets/logos/logo.png) no-repeat;
    background-size: contain;
    height:50px;
    width:200px;
    margin-left:10px;
    position:absolute;
    display: flex;
    border-radius: 10px;
}

.header .logo:hover{
    transform: scale(1.2);
    transition: all 0.2s ease-in-out;
}

.header .tips{
    position: absolute;
    right:10px;
    display:flex;
    justify-content: flex-end;
    list-style: none;
}

.header .tips li{
    margin-left:30px;
    border: 5px solid transparent;
    color:white;
}

.header .tips li:nth-of-type(-n+3):hover{
    background-color: #5599ff;
    transform: scale(1.1);
    border-bottom: black 1px solid;
    /* box-shadow: 0px 0px 5px rgba(0,0,0,0.3); */
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}

.header .tips li a{
    text-decoration: none;
    color:white;
}

.header .tips li:last-of-type{
    margin-right: 20px;
}

.header .tips li:last-of-type:hover a{
    /* color:tomato; */
    /* box-shadow: 0px 0px 5px rgba(0,0,0,0.3); */
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}

.unseen_box{
    /* background-color: black; */
    display: flex;
    position:absolute;
    right:28px;
    width:130px;
    height:440px;
    pointer-events: none;
    border-radius: 0px 0px 20px 20px;
}

.languages{
    position: absolute;
    height:200px;
    right:5px;
    transform: translateY(-100%);
    display:flex;
    flex-direction: column;
    justify-content: flex-start;
    list-style: none;
    line-height: 40px;
    /* background-color: #fff; */
    background-color: #5f9ffc;
    border-radius: 0px 0px 20px 20px;
    box-sizing: border-box;
    pointer-events: none;
    opacity: 0;
    transition: all 0.2s ease-in-out;
}


.languages.slide_active{
    /* CSS语言栏下拉列表动画 */
    transform: translateY(-51px);
    opacity: 1;
    pointer-events: auto;
}

.languages li{
    margin-right:20px;
    border: 5px solid transparent;
    color:white;
    
}

.languages li a{
    text-decoration: none;
    color:white;
}

.languages li a:hover{
    color:tomato;
    /* box-shadow: 0px 0px 5px rgba(0,0,0,0.3); */
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}

.header .logo a{
    position: absolute;
    left:50px;
    line-height: 50px;
    font-weight: bold;
    font-size: 30px;
    color:white;
    text-decoration: none;
}

.header .logo{
    display: inline-block;
    width:120px;
}

.header{
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    /* border: 2px solid #000; */
    width: 100%;
    height: 50px;
    background-color:#5f9ffc;
    box-sizing: border-box;
    line-height: 40px;
    
}

.content{
    display: flex;
    background-image: url(../assets/images/login_background.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-color:#5f9ffc;
    height:648px;
    min-height: calc(100vh - 90px);
    width: 100%;
    flex-grow: 1;
}

.content .title{
    /* border: 2px solid red; */
    position: absolute;
    top:55px;
    left:27.5%;
    transform: translateX(-50%);
    font-size: 60px;
    font-weight: bold;
    color: rgba(255,255,255,1);
    text-shadow: 2px 2px 5px rgba(0,0,0,0.8);
    letter-spacing: 5px;
}

.content .login_box{
    width: 400px;
    height: 470px;
    background: rgba(255, 255, 255, 1);
    position: absolute;
    top:150px;
    left:220px;
    /* transform: translateX(-75%); */
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
    border-radius: 10px;
    padding:30px;
    box-sizing: border-box;
    
}

.content .login_box .options{
    display: flex;
    flex-direction: row;
    justify-content: left;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 20px;
}

.content .register_box .options{
    display: flex;
    flex-direction: row;
    justify-content: left;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 20px;
}

.content .login_box .options .login_switch{
    margin-right: 20px;
    cursor: pointer;
    color:#5f9ffc;
    border-bottom: 3px solid #5f9ffc;
    border-radius: 2px;
    padding-bottom: 2px;
}

.content .register_box .options .login_switch{
    margin-right: 20px;
    cursor: pointer;
    color:#5f9ffc;
    /* border-bottom: 3px solid #5f9ffc;
    border-radius: 2px; */
    padding-bottom: 2px;
}

.content .login_box .options .register_switch{
    margin-right: 20px;
    cursor: pointer;
    color: #5f9ffc;
    padding-bottom: 2px;
}

.content .register_box .options .register_switch{
    margin-right: 20px;
    cursor: pointer;
    color: #5f9ffc;
    padding-bottom: 2px;
    border-bottom: 3px solid #5f9ffc;
    border-radius: 2px;
}

.content .form_box{
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 195px;
    border-top:1px solid #ccc;
    padding-top: 15px;
    box-sizing: border-box;
    
}


.content .login_box .form_box #log_account,
.content .register_box .form_box #register_account{
    width: 100%;
    height: 50px;
    margin-bottom: 20px;
    padding: 20px 10px;
    box-sizing: border-box;
    /* color: #5f9ffc; */
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
    outline: none;
}

.content .login_box .form_box #log_account:focus,
.content .login_box .form_box #log_password:focus,
.content .register_box .form_box #register_password:focus,
.content .register_box .form_box #register_account:focus
{
    border:1px solid #3683f6;
    box-shadow: 0px 0px 2px #3683f6;
}

.content .login_box .form_box #log_password,
.content .register_box .form_box #register_password{
    width: 100%;
    height: 50px;
    margin-bottom: 20px;
    padding: 5px 10px;
    box-sizing: border-box;
    /* color: #5f9ffc; */
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 5px;
    outline: none;
}

.content .agreement label{
    font-size: 12px;
    line-height: 25px;
    display: flex;
    align-items: center;
}

.content .agreement span:hover,
.content .agreement label .assure_button:hover{
    cursor: pointer;
}

.content .agreement a{
    text-decoration: underline;
    color: #5f9ffc;
}

.content .agreement a:hover{
    color: #3683f6;
}

.content .agreement span{
    line-height: 20px;
    text-indent: 5px;
}

.agreement .assure_button{
    width: 20px;
    height: 20px;
}

.content .login_box #login_button,
.content .register_box #register_button{
    width: 100%;
    height: 40px;
    background-color: #5f9ffc;
    color: white;
    font-size: 18px;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.content .login_box #login_button:hover,
.content .register_box #register_button:hover{
    background-color: #3683f6;
    transition: all 0.3s ease-in-out;
}

.content .login_box .others{
    margin-top: 10px;
    position: relative;
    text-decoration: none;
}

.content .login_box .others a{
    text-decoration: none;
    color: #5f9ffc;
    font-size: 15px;
}

.content .login_box .others a:hover{
    color: #3683f6;
}

.content .login_box .others .forget_password{
    position: absolute;
    left: 0%;
}

.content .login_box .others .log_by_phone{
    position: absolute;
    right: 0%;
}

.content .login_box .others span{
    position: absolute;
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
    font-size: 15px;
}

.login_box .icon_buttons{
    display: flex;
    flex-direction: row;
    justify-content: center;
    padding-top:50px;
    
}

.login_box .icon_buttons button{
    padding: 0;
    background: transparent; 
    cursor: pointer;
    margin: 10px;
    width: 60px;
}

.login_box .icon_buttons button:hover{
    cursor: pointer;
}

.register_box{
    position: absolute;
    left:210px;
    top:180px;
    width: 340px;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    height:410px;
    /* box-sizing: border-box; */
    opacity: 0;
    pointer-events: none;
    /* transform: translateX(-688px); */
    transition: all 0.2s ease-in-out;
}



.register_box.show_registration{
    /* 显示注册页面 */
    transform: translateX(40px);
    opacity: 1;
    pointer-events: auto;
}

.customer_service{
    margin-top: 80px;
    display: flex;
    justify-content: center;
    font-size: 15px;
}

.customer_service a{
    color:#5f9ffc;
    text-decoration: none;
}

.customer_service a:hover{
    color: #3683f6;
}

.footer{
    display: flex;
    /* flex-direction: row-reverse; */
    justify-content: center;
    /* border: 2px solid #000; */
    width: 100%;
    height: 40px;
    background-color:#5f9ffc;
    box-sizing: border-box;
    line-height: 40px;
    position: fixed;
    color:white;
    font-size: 12px;
    bottom: 0px;
}

.footer a{
    color:white;
}